Springboot2.6集成redis?maven報錯怎么解決

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Springboot 2.6集成redis maven報錯

<dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
       </dependency>

當加這個配置后，POM.xml的第一行總是報錯：

Description    Resource    Path    Location    Type
io.lettuce:lettuce-core:jar:6.1.8.RELEASE failed to transfer from https://repo.maven.apache.org/maven2 during a previous attempt. This failure was cached in the local repository and resolution is not reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact io.lettuce:lettuce-core:jar:6.1.8.RELEASE from/to central (https://repo.maven.apache.org/maven2): The operation was cancelled.

org.eclipse.aether.transfer.ArtifactTransferException: io.lettuce:lettuce-core:jar:6.1.8.RELEASE failed to transfer from https://repo.maven.apache.org/maven2 during a previous attempt. This failure was cached in the local repository and resolution is not reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact io.lettuce:lettuce-core:jar:6.1.8.RELEASE from/to central (https://repo.maven.apache.org/maven2): The operation was cancelled.
    at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.newException(DefaultUpdateCheckManager.java:225)
    at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.checkArtifact(DefaultUpdateCheckManager.java:189)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.gatherDownloads(DefaultArtifactResolver.java:574)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:484)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:402)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:229)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependencies(DefaultRepositorySystem.java:340)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:191)
    at org.apache.maven.project.DefaultProjectBuilder.resolveDependencies(DefaultProjectBuilder.java:227)
    at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:200)
    at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:124)

看了意思是獲取不到最新包，因為maven之前已經下載過，需要刪除m2庫里的最新玩意，

找到自己倉庫，我的是C:\users\ckw\.m2\repository>,

在這個目錄下，打開cmd，執行：

for /r %i in (*.lastUpdated) do del %i

執行這個批處理，

刪完后，按下面圖，update一把就好了

SpringBoot集成Redis連接不上

問題描述

初學SpringBoot

當進行SpringBoot集成Redis時。測試向redis中添加String類型的數據，key=name , value = zlw。

但出現了一下錯誤：（Whitelabel Error Page）

看控制臺輸出發現，大致應該是redis沒有連接成功。

Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.data.redis.RedisConnectionFailureException: Unable to connect to Redis; nested exception is io.lettuce.core.RedisConnectionException: Unable to connect to 192.168.86.129/<unresolved>:6379] with root cause

上網搜索了好多這個問題的錯誤，但好像都沒有解決，不是自己的錯誤，但后來回想到，學習linux的時候，想要連接成功必須要關閉linux的防火墻才行。。。

試一試

可以看到防火墻已經關閉了，

哇~有新發現了，雖然頁面還是沒有變化，但控制臺的信息發生了變化。

提示：

WRONGPASS invalid username-password pair or user is disabled.

這應該是我的redis密碼有問題。。

原來是我的密碼加上了引號

記住：密碼要去掉引號！！！

去掉雙引號之后再次訪問，成功！！

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